English dictionary



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English adjective: arduous

1. arduous characterized by effort to the point of exhaustion; especially physical effort


SamplesWorked their arduous way up the mining valley.
A grueling campaign.
Hard labor.
Heavy work.
Heavy going.
Spent many laborious hours on the project.
Set a punishing pace.


Synonymsbackbreaking, grueling, gruelling, hard, heavy, laborious, operose, punishing, toilsome


Similareffortful


Antonymseffortless

2. arduous taxing to the utmost; testing powers of endurance


SamplesHis final, straining burst of speed.
A strenuous task.
Your willingness after these six arduous days to remain here.


Synonymsstraining, strenuous


Similareffortful


Antonymseffortless

3. arduous difficult to accomplish; demanding considerable mental effort and skill


SamplesThe arduous work of preparing a dictionary.


Similardifficult, hard


Antonymseasy









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